NOAA > NESDIS > NCEI (formerly NGDC) > Marine Geology and Geophysics > Bathymetry & Relief privacy policy  All Bathy/Relief Coastal DEMs Fishing Global Lakes Multibeam NOS

Report for H13964 Locality: Tangier Sound Sublocality: Hooper Strait State(s) or Region(s): Maryland Start Date: 2024-07-11 End Date: 2024-12-04 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download All Products for H13964 Download times vary depending on file size and data transfer rates. Individual product files may be downloaded via the links below. Launch this map service in full-screen view | Visit the full NCEI Bathymetric Data Viewer Survey Products Descriptive Report and Metadata Documents NOAA/NOS Descriptive Reports and Metadata Documents Products listed in these reports may not reflect final products available through NCEI. H13964_DR.pdf 1.34MB The document may be read using a free PDF reader. H13964_DR.xml 57.1KB Descriptive Report in XML format. May be opened using a web browser or text viewer. NOAA/NOS ISO metadata record H13964 View / Download H13964.xml Usually presented as an XML document, which captures the basic characteristics of HSMDB metadata verified from H10000 (1982) to the present as well as F00200 (1965) to the present. Bathymetry Survey products may use different units, datums or projections than the associated survey. Please consult product-specific metadata for additional details. Bathymetric Attributed Grid (BAG) The BAG format is a gridded, multi-dimensional bathymetric data file readable with geospatial visualization software (various commercial solutions, freeware, and open source applications are available). The BAGXYZ files are ascii representations of the BAG data in XYZ format, but do not include uncertainty. H13964_MB_1m_MLLW_1of1.bag 319.36MB Ellipsoid Referenced BAG Files Ellipsoid referenced Bag files have a vertical datum that may differ materially from the charted datum. Please refer to the file level metadata to ensure proper display. H13964_MB_1m_Ellipsoid_1of1.bag 290.72MB Imagery GeoImagePDF Georeferenced PDF file including chart and survey layers. H13964_GeoImage.pdf 20.05MB NOAA/NOS side scan sonar mosaic in TIFF format The side scan sonar mosaic is readable with geospatial visualization software (various commercial solutions, freeware, and open source applications are available). H13964_SSSAB_1m_400kHz_1of2.tif 119.23MB H13964_SSSAB_1m_400kHz_2of2.tif 8.45MB NOAA/NOS multibeam acoustic backscatter mosaic in TIFF format The multibeam acoustic backscatter mosaic is readable with geospatial visualization software (various commercial solutions, freeware, and open source applications are available). H13964_MBAB_2m_CU_400kHz_1of2.tiff 10.11MB H13964_MBAB_2m_TH_400kHz_2of2.tiff 22.19MB Bottom Samples and Tide Documents NOAA/NOS bottom sample document in PDF or ASC format Bottom Sample files may reference the Coastal Marine Ecological Classification Standard (CMECS) H13964_BottomSamples.ascii 1.5KB NOAA/NOS bottom sample imagery H13964_BottomSamples_shp_images.zip 12.39MB Project Documents Data Acquisition and Processing Report in PDF format OPR-E352-KR-24_DAPR.pdf 47.34MB Horizontal and Vertical Control Report in PDF Format OPR-E352-KR-24_HVCR.pdf 222.4KB Survey Metadata Survey Summary Locality Sublocality State or Region Tangier Sound Hooper Strait Maryland Start Date End Date Approval Date 2024-07-11 2024-12-04 2025-02-13 Project Number Project Name Purpose OPR-E352-KR-24 Source of Original Data and License Information License Information These data were produced under contract with NOAA and any potential copyright was assigned to NOAA. NOAA waives any potential copyright and related rights in these data worldwide through the Creative Commons Zero 1.0 Universal Public Domain Dedication (CC0-1.0). View the license deed. View the legal code. Reference System Information Vertical Datum Horizontal Datum Projection Scale Mean Lower Low Water North American Datum 1983 (2011) Projected UTM 18 20000 Affected Products ENCs RNCs US5VA22M US5VA21M US5MD23M US5MD21M Survey Equipment Vessel(s) Chief(s) of Party R/V Thunder Current David Neff, CH Manufacturer Model Instrument Type Applanix POS MV OceanMaster Positioning and Attitude System AML Oceanographic AML-3 LGR Sound Speed System AML Oceanographic MicroX SV Sound Speed System R2Sonic 2022 MBES AML Oceanographic BaseX2 Sound Speed System EdgeTech 4125 SSS R2Sonic 2024 MBES Source Data at NCEI Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 1289.981 2025-09-16 21:21:09.0 BACKSCATTER, SIDE SCAN, BATHYMETRY